#include<stdio.h>
#include<sys/types.h>
#include<unistd.h>

int main()
{
	int ret_from_fork,mypid;
	mypid = getpid();
	printf("Before:my pid is %d\n",mypid);
	ret_from_fork=fork();
	sleep(1);
	printf("After:my pid is %d,fork() said %d\n",
		getpid(),ret_from_fork);

	return 0;
}
